うっかりして (translations)→ inadvertently silly
うわの空で (translations)→ bemusedly distractedly vague
こともなげに (translations)→ carelessly casually comfortably disinterestedly dismissive drily lightly tersely
さりげなく (translations)→ careless casual casualness covert covertly delicately discreet discreetly effortlessly everyday inconspicuous innocently matter-of-factly nonchalantly restrained simply unobtrusively unselfconsciously
そっけなく (translations)→ briefly brusquely coldly coolly curt flatly hastily indifferently insipidly shortly tightly
それとなく (translations)→ cautiously cunningly friendly generally gently little obliquely somehow subtly surreptitiously veiled
ぼんやり (translations)→ aimlessly bit blankly blurred confusedly daze dim faintly foolishly fume idly listlessly misty numbly stupor uncertain unobservant vacantly vaguely
ぼんやりと (translations)→ abstraction barely distant distantly dully ghostlike hazily indefinite lazily miserably silently spectral
ぽつんと (translations)→ just solitary
何気なく (translations)→ spontaneously unconscious unconsciously
気のない (translations)→ enthusiastic halfhearted passive slow speciously unenthusiastically uninterested wan weak
心ここにあらず (translations)→ absentmind distracted
無意識のうちに (translations)→ mechanically subconsciously
無心に (translations)→ automatically happily
無造作に (translations)→ easily heedlessly loosely offhandedly unceremoniously